A man in Hillsborough County killed his five-year-old son and then himself, a tragedy discovered by the mother in their Lutz home, leaving the community in shock.

Sheriff’s officials said they were called just before 10 a.m. Friday to a report that two people were dead inside a home.

A father and 5-year-old son were killed in a murder-suicide in Lutz Friday, the Hillsborough County Sheriff's Office announced.

The mother called the sheriff's office saying she was trying to pick up her son from the father's house on Cranbrook Drive, but nobody was answering the door. At around 7:30 a.m., deputies went to the house and didn't see any suspicious activity or signs of foul play.

Officials said a 44-year-old father shot and killed his 5-year-old son before shooting himself. The mother called earlier in the day around 7 a.m. saying she was trying to pick up her son from the father's house on Cranbrook Drive, but nobody was answering the door.

A mom picking up her 5-year-old son from his dad’s house entered the home and found both of them dead, Florida authorities said. Investigators said they died in a murder-suicide.

Two people were killed in a murder-suicide in Lutz Friday, the Hillsborough County Sheriff's Office announced.